Speculum



FIG. 1 is a front, top, and right perspective view of a speculum showing the new design;

FIG. 2 is a right side elevation thereof, the left side elevation being a mirror image thereof;

FIG. 3 is a top plan thereof;

FIG. 4 is a bottom plan thereof;

FIG. 5 is a rear, bottom, and left perspective view thereof;

FIG. 6 is a front elevation thereof; and,

FIG. 7 is a rear elevation thereof.

The broken lines are for the purpose of illustrating portions of the speculum that form no part of the claimed design. 

CLAIM The ornamental design for a speculum, as shown and described. 